| Year | 1990 |
| Date | 18-May |
| Volume | 164 |
| Issue | 3,873 |
| Page | 613 |
| Category | Railway |
| Part | 2 |
| Title | Vacuum Brakes. An Automatic Vacuum Braking System as used by Birmingham S.M.E. |
| Author | Brian Hughes |
| Notes | Described. The Birmingham braking system, the brake cylinder, making vacuum cylinders, the reservoir, vacuum system testing |